When was the Hubble space telescope launched? What were the Seven Wonders of the Ancient World? What was the population of the world in AD1000? The answers to these questions can be found in The Pears Factfinder. The work is principally a book of lists containing thousands of easily accessible facts on a wide range of topics, printed in two colours for quicker reference. Readers will find facts about the planets, the world, its cities, mountains and peoples - the arts, sports and pastimes.